Alert archive / New Jersey / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 11, 2021, 5:57 PM EDT for Sussex County, New Jersey. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 11, 2021, 5:57 PM EDT (21:57 UTC)
- Expired
- Aug 11, 2021, 6:45 PM EDT
- In force
- 48 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.00 in
- Wind
- 40
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 128 km from the middle of the area, began a volume at 21:57 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.0 hours before the alert went out and 152 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 977 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
605
WWUS81 KPHI 112157
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
557 PM EDT Wed Aug 11 2021
NJZ001-112245-
Sussex NJ-
557 PM EDT Wed Aug 11 2021
...A strong thunderstorm will impact portions of central Sussex
County through 645 PM EDT...
At 556 PM EDT, Doppler radar was tracking a strong thunderstorm near
Crandon Lakes, or near Newton, moving east at 20 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Newton, Franklin, Hamburg, Ogdensburg, Five Points and Crandon Lakes.
People at the New Jersey State Fair should seek safe shelter
immediately!
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4104 7456 4105 7487 4114 7486 4114 7444
TIME...MOT...LOC 2156Z 274DEG 18KT 4109 7479
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
JEOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 43 min |
| Aug 10, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 42 min |
| Aug 10, 8:23 PM EDT | Special Marine Warning | PHI | 79 min | |
| Aug 10, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 39 min |
| Aug 10, 8:43 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 2 hr |
| Aug 10, 9:07 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Cumberland | 23 min |
| Aug 11, 2:56 PM EDT | Excessive Heat Watch | PHI | Hunterdon, Morris, Warren | 12 hr |
| Aug 11, 6:32 PM EDT | Special Weather Statement | PHI | Morris, Sussex, Warren | 28 min |
| Aug 11, 6:50 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 3 hr |
| Aug 11, 7:04 PM EDT | Areal Flood Advisory | PHI | Gloucester, Hunterdon, Salem | 2 hr |
| Aug 11, 7:04 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 41 min |
| Aug 11, 7:11 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 49 min |
| Aug 11, 7:28 PM EDT | Flash Flood Warning | PHI | Morris, Warren | 3 hr |
| Aug 11, 7:45 PM EDT | Special Weather Statement | PHI | Morris | 45 min |
| Aug 11, 7:52 PM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Camden, Gloucester, Mercer | 53 min |
| Aug 11, 7:57 PM EDT | Special Weather Statement | PHI | Hunterdon, Middlesex, Somerset | 48 min |
| Aug 11, 4:46 PM EDT | Special Weather Statement | PHI | Monroe | 44 min |
| Aug 11, 4:58 PM EDT | Special Weather Statement | PHI | Berks | 47 min |
| Aug 11, 5:20 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 57 min |
| Aug 11, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 57 min |
| Aug 11, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Montgomery | 44 min |
| Aug 11, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 49 min |
| Aug 11, 6:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Montgomery, Northampton | 42 min |
| Aug 10, 8:11 PM EDT | Special Weather Statement | PHI | New Castle | 34 min |
| Aug 10, 9:09 PM EDT | Special Weather Statement | PHI | Sussex | 36 min |
| Aug 10, 8:13 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 32 min |
| Aug 10, 8:43 PM EDT | Special Weather Statement | PHI | Caroline | 32 min |
| Aug 11, 6:11 PM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's | 64 min |
Nearby
Special Weather Statements in New Jersey, 2021Every special weather statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.